Match List I with List II.
List I | List II | ||
A | Taenia | I | Nephridia |
B | Paramoecium | II | Contractile vacuole |
C | Periplaneta | III | Flame cells |
D | Pheretima | IV | Urecose gland |
Choose the correct answer from the options given below:
A sphere of radius R is cut from a larger solid sphere of radius 2R as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is :
The current passing through the battery in the given circuit, is: